std_msgs/Header header
bool is_lost
uint8 status_level
uint8 STATUS_NORMAL=0
uint8 STATUS_WARNING=1
uint8 STATUS_LOST=2
float32 position_diff
float32 angle_diff
float32 max_position_diff
float32 max_angle_diff
geometry_msgs/PoseStamped last_valid_pose
string loss_reason